Human Reproduction Flashcards
Parts of the male system
Prostate, seminal vesicles, sperm duct, urethra, penis scrotum, testes
Reproduction is..
The production of new individuals
Function of the seminal vesicles
Secretes fluid that nourishes sperm
Function of sperm duct
Carries sperm from testes to penis
Function of penis
Passes sperm into female system
Function of scrotum
Keeps testes art correct temperature
Function of testes
Make sperm and male hormones
Parts of the female system
Ovary, fallopian tube, uterus or womb, cervix, vagina
Function of ovary
Produces eggs
Function if fallopian tube
Carries eggs to uterus
Function of uterus/womb
Where baby develops
Function of cervix
Opening of the uterus
Function of vagina
Where sperm enters (birth canal)
Sections of the menstrual cycle
Menstruation, lining development, ovulation, fertile period, lining remains
What is days 1-5 of the menstrual cycle?
Menstruation/period
What is day 6-13 of the menstrual cycle?
New lining develops
Day fourteen of the menstrual cycle?
Ovulation (new egg released)
Days 15-28 of the menstrual cycle?
Lining remains until menstruation
When is the fertile period?
2 1/2 days either side of ovulation
When is ovulation?
14 days before menstruation
Define menstrual cycle
A series of changes that happen in the female body, releasing an egg every 28 days
Define sexual intercourse
The natural process of transferring sperm from a male to a female
Sperm is released into the cervix by…
Ejaculation
The sperm die after..
3 days
Define fertilisation
Fusion of male and female gametes to for a zygote
Eggs are fertilised in the..
Fallopian tubes
The fertilised egg does what in the womb?
Attaches to the womb lining (implantation) and divides to become an embryo
Pregnancy is..
The length of time a baby spends developing in the womb
The plancenta..
Connects the mother and baby
The fetus develops an..
Amniotic sac
The placenta..
Passes food and water to the baby, takes waste from the baby
How many stages of birth?
3
What happens in the first stage of birth?
The muscles of the womb contract (labour), amniotic sac bursts (waters break), contractions get stronger and the cervix dilates (up to 10 cm)
What happens in stage two of birth?
The baby is pushed out of the vagina head first, the umbilical cord is clamped and cut
What happens in stage three of birth?
The contractions continue for 10 mins approx and then the after birth (plancenta) is expelled
Define puberty
The sex organs fully mature and the body is capable of reproduction
Changes in boys during puberty
Rapid growth spurt, deepening of voice, body hair growth, penis and testes grow, produces sperm
Changes in girls during puberty
Growth spurt, body hair grows, pelvis/breasts/vagina/uterus grow, starts to produce eggs
Contraception methods
The pill, morning after, condoms, coil surgery
